6143239 has 8 divisors (see below), whose sum is σ = 6715008. Its totient is φ = 5594880.

The previous prime is 6143237. The next prime is 6143243. The reversal of 6143239 is 9323416.

6143239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6143239 - 2¹ = 6143237 is a prime.

It is a super-2 number, since 2×6143239² = 75478770822242, which contains 22 as substring.

It is a Duffinian number.

6143239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5302 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (839376).

Almost surely, 2^6143239 is an apocalyptic number.

6143239 is a deficient number, since it is larger than the sum of its proper divisors (571769).

6143239 is a wasteful number, since it uses less digits than its factorization.

6143239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705.

The product of its digits is 3888, while the sum is 28.

The square root of 6143239 is about 2478.5558295104. Note that the first 3 decimals coincide. The cubic root of 6143239 is about 183.1467166253.

The spelling of 6143239 in words is "six million, one hundred forty-three thousand, two hundred thirty-nine".